Explanation: Taken by a telescope onboard NASA's Swift satellite, this stunning vista represents the highest resolution image ever made of the Andromeda Galaxy (aka M31) - at ultraviolet wavelengths. The mosaic is composed of 330 individual images covering a region 200,000 light-years wide. It shows about 20,000 sources, dominated by hot, young stars and dense star clusters that radiate strongly in energetic ultraviolet light. Of course, the Andromeda Galaxy is the closest large spiral galaxy to our own Milky Way, at a distance of some 2.5 million light-years. To compare this gorgeous island universe's appearance in optical light with its ultraviolet portrait, just slide your cursor over the image.

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Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (USRA)
NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.

Publikacii s klyuchevymi slovami: ultraviolet Publikacii so slovami: ultraviolet
Sm. takzhe: Galaktika Andromedy v ul'trafioletovom svete Ul'trafioletovaya Zemlya: vid s lunnoi observatorii Ul'trafioletovye kol'ca M31 Petli solnechnyh pyaten v ul'trafiolete Ul'trafioletovoe Solnce ot Observatorii Solnechnoi dinamiki Bol'shoe Magellanovo oblako v ul'trafiolete Vspyshka H-klassa Vse publikacii na tu zhe temu >>